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Small Modular Reactor Jobs in Leesburg, VA (NOW HIRING)

X Energy LLC

Senior Manufacturing Engineer

Rockville, MD · On-site

$92K - $126K/yr

X-energy is seeking a Senior Manufacturing Engineer responsible for translating complex nuclear component designs into manufacturable products for our small modular reactor program. This role ...

X Energy LLC

Senior Manufacturing Engineer

Rockville, MD · On-site

$92K - $126K/yr

X-energy is seeking a Senior Manufacturing Engineer responsible for translating complex nuclear component designs into manufacturable products for our small modular reactor program. This role ...

X Energy LLC

Nuclear Engineer, IV

Rockville, MD · On-site +1

$100K - $120K/yr

Reactor core design and analysis. * Radiation shielding design and analysis. * Nuclear fuel ... small modular reactors, microreactors, and nuclear facilities. Location: 9801 Washingtonian ...

X Energy LLC

Engineer V-VI, Licensing

Rockville, MD · On-site

$165K - $190K/yr

This role is responsible for supporting the development of reactor licensing efforts and associated ... reactors and/or small modular reactors. * Knowledge of and application of 10 CFR Part 73 ...

X Energy LLC

Engineer II, Nuclear

Rockville, MD · On-site +1

$100K - $120K/yr

Reactor core design and analysis. * Radiation shielding design and analysis. * Nuclear fuel ... small modular reactors, microreactors, and nuclear facilities. Location: 9801 Washingtonian ...

X Energy LLC

Engineer II, Nuclear

Rockville, MD · Hybrid

$100K - $120K/yr

Reactor core design and analysis. * Radiation shielding design and analysis. * Nuclear fuel ... small modular reactors, microreactors, and nuclear facilities. Location: 9801 Washingtonian ...

X Energy LLC

Engineer I, Nuclear

Rockville, MD · Hybrid

$100K - $120K/yr

Reactor core design and analysis. * Radiation shielding design and analysis. * Nuclear fuel ... small modular reactors, microreactors, and nuclear facilities. Location: 9801 Washingtonian ...

X Energy LLC

Engineer V-VI, Licensing

Rockville, MD · On-site +1

$165K - $190K/yr

This role is responsible for supporting the development of reactor licensing efforts and associated ... reactors and/or small modular reactors. * Knowledge of and application of 10 CFR Part 73 ...

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All JobsSmall Modular Reactor JobsSmall Modular Reactor Jobs in Leesburg, VA

Small Modular Reactor information

See Leesburg, VA salary details

$54.1K

$81.6K

$123.9K

How much do small modular reactor jobs pay per year?

As of Sep 8, 2026, the average yearly pay for small modular reactor in Leesburg, VA is $81,612.00, according to ZipRecruiter salary data. Most workers in this role earn between $69,300.00 and $88,000.00 per year, depending on experience, location, and employer.

What is a small modular reactor?

A Small Modular Reactor (SMR) job involves working on the design, development, construction, operation, or regulation of SMRs, which are advanced nuclear reactors that are smaller and more flexible than traditional nuclear plants. Professionals in this field may include engineers, scientists, safety analysts, project managers, and regulatory specialists. These roles focus on improving reactor efficiency, ensuring safety, and advancing clean energy solutions. SMR jobs exist in government agencies, private companies, and research institutions working to develop next-generation nuclear technology.

What are some typical daily responsibilities for a small modular reactor engineer?

As a Small Modular Reactor Engineer, your daily tasks might include performing system analyses, monitoring reactor performance, reviewing safety protocols, and collaborating with other engineering disciplines to troubleshoot technical challenges. You may also be involved in preparing regulatory reports, overseeing construction or installation activities, and participating in design reviews or risk assessments. Working closely with project managers, safety specialists, and government regulators is common to ensure all reactor operations meet stringent safety and quality standards. This role offers a dynamic and collaborative work environment, with frequent opportunities to apply technical expertise to innovative, real-world energy solutions.

What are the key skills and qualifications needed to thrive in the small modular reactor position, and why are they important?

To excel in a Small Modular Reactor Engineer role, candidates need a solid background in nuclear engineering, mechanical or electrical engineering, and strong analytical abilities, often supported by a relevant bachelor's or master's degree. Familiarity with nuclear reactor simulation software, regulatory compliance tools, and safety certification (such as a Professional Engineer license or NRC qualification) is highly valued. Effective communication, teamwork, and problem-solving skills are key for coordinating with multidisciplinary teams and ensuring regulatory standards are met. These qualifications are crucial to designing, operating, and maintaining advanced nuclear systems safely and efficiently within a regulated environment.

What job categories do people searching Small Modular Reactor jobs in Leesburg, VA look for?

The top searched job categories for Small Modular Reactor jobs in Leesburg, VA are:

What cities near Leesburg, VA are hiring for Small Modular Reactor jobs?

Cities near Leesburg, VA with the most Small Modular Reactor job openings:

Small Modular Reactor jobs near you
Infographic showing various Small Modular Reactor job openings in Leesburg, VA as of September 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $81,612 per year, or $39.2 per hour.

Licensing Engineers for New Reactor Projects (I-VI)

X Energy LLC

Rockville, MD • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 9 days ago

Job description

X-energy LLC conducts a thorough recruiting process and will never issue offers without interview to discuss qualifications and responsibilities. All applications will be submitted via our company career page, www.x-energy.com/careers/. We will never ask you to provide payment information as part of the recruiting process. If anyone claiming to represent X-energy directs you in a manner otherwise, please contact us at www.x-energy.com/contact-us.

Job Description

Join X-energy's growing reactor licensing team and support the development of reactor licensing efforts and associated engagements with the U.S. NRC. This role will support portions of licensing application development and interface between internal teams (licensing, engineering, program/project management, supply chain, and procurement) and the U.S. NRC. Licensing Engineers are engaged in environmental licensing, nuclear safety, nuclear security, emergency planning, safeguards, and regulatory compliance for X-energy's advanced high-temperature gas-cooled reactor technology. This position offers the opportunity to contribute to first-of-a-kind advanced reactor projects that define industry-best licensing practices.


Job Profile Tasks/Responsibilities

  • Support portions of licensing activities (certifications, permits, approvals, and licenses associated with reactor technologies) and ensure milestones are met as agreed with the U.S. NRC.

  • Provide licensing support to engineers in developing technical requirements that will ensure compliance with NRC regulations and guidance.

  • Support scope development of the annual regulatory engagement plan, lead regulatory audits and responses to RAIs (Requests for Additional Information).

  • Develop licensing content to support portions of Safety Analysis Reports and licensing applications.

  • Support planning and executing the X-energy licensing strategy.

  • Develop regulatory white papers, technical reports, and licensing topical reports.

  • Support development of licensing plans and associated budgets.

  • Actively support the X-energy safety culture and ensure integration of quality in licensing processes as informed by the X-energy Quality Assurance Program.

  • Maintain professional demeanor and behavior at all times in all forms of communication.

  • Perform other duties as assigned by manager.

Job Profile Minimum Qualifications

  • All Levels:

  • Bachelor's degree in engineering (e.g., mechanical, nuclear, chemical, or electrical engineering), science (e.g., environmental science, physics, or chemistry), or other related area.

  • Experience in direct NRC interactions (written and/or verbal).

  • Understanding of the nuclear regulatory processes in the United States.

  • Experience in project management related to developing schedules and coordinating team activities to produce technical content for regulatory purposes.

  • Level II: Typically, two years of relevant licensing experience.

  • Level III: Typically, five years of relevant licensing experience.

  • Level IV: Typically, ten years of relevant licensing experience.

  • Level V: Typically, fifteen years of relevant licensing experience.

  • Level VI: Typically, twenty years of relevant licensing experience.

Preferred Skills

Candidates for this role would ideally have knowledge or experience in one or more of the following areas, commensurate with their educational and professional background:

  • Experience with U.S. NRC construction permit and operating license application preparation and/or reviews

  • Knowledge of high-temperature gas reactor technologies and/or first-of-a-kind nuclear technologies

  • Knowledge of small modular reactor technical and licensing considerations

  • Knowledge of U.S. NRC and/or U.S. DOE regulatory requirements for reactor licensing

Location:9801 Washingtonian Blvd, Gaithersburg, MD

Work Site Expectations: 4 days in office
Hours:Standard office hours are 8:00am - 5:00pm ET, Monday - Friday

Compensation

As required by Maryland and other applicable state law, X Energy, LLC (X-energy) lists the expected compensation range for a publicly advertised job opportunity based upon the job requirements (e.g. education/training, experience, skill sets, etc.). Individual candidates who meet the job requirements for the posted position will be offered a salary within this range based on their respective levels of education/training, experience, and other qualifications unique to them. Salary ranges may vary based on the specific office location and region referenced in the posting to take into consideration differences in cost of living and may not be reflective of all regions. Please note that compensation ranges listed for US job postings reflect base salary only and do not include benefits or other incentives.

Offers within the posted salary range are commensurate with the individual's qualifications for the position, along with a view on internal equity, market data, and room for growth. The salary range for this position is:

Level I: $81,314 - $135,524 / Level II: $88,725 - $147,875 / Level III: $103,575 - $172,625 / Level IV: $143,550 - $183,425 / Level V: $165,000 - $190,000 / Level VI: $190,000 - $215,000

Position Job Classification

Full time - Exempt

Benefits

X Energy, LLC offers a robust benefits package that includes a 401K plan with an employer match, Medical/Dental /Vision Insurance, Life and Disability Insurance, Paid Time Off, and a Tuition Reimbursement/Professional Development policy that supports the continuing education of our employees.

An Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

X Energy, LLC participates in E-Verify. Please visit the links below for more information about E-Verify and the protection of your Right to Work.

Right To Work Link: If you have the right to work, don't let anyone take it away (e-verify.gov)

E-Verify Participation Link: E-Verify Participation Poster English and Spanish

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